2122021020029 has 2 divisors, whose sum is σ = 2122021020030. Its totient is φ = 2122021020028.

The previous prime is 2122021020019. The next prime is 2122021020037. The reversal of 2122021020029 is 9200201202212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1884574348804 + 237446671225 = 1372798^2 + 487285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122021020029 - 2²⁰ = 2122019971453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122021019986 and 2122021020013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122021020019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010510014 + 1061010510015.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010510015).

Almost surely, 2^{2122021020029} is an apocalyptic number.

It is an amenable number.

2122021020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122021020029 is an equidigital number, since it uses as much as digits as its factorization.

2122021020029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 2122021020029 in words is "two trillion, one hundred twenty-two billion, twenty-one million, twenty thousand, twenty-nine".